CVE-2021-34490

Published: Jul 14, 2021Modified: Aug 10, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD (Secondary)

Description

Windows TCP/IP Driver Denial of Service Vulnerability

Affected (9)

Products: Microsoft: Windows 10, Windows Server 2016, Windows Server 2019

3 products

Windows Server 2016

Windows Server 2019

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10	All versions
Microsoft Windows 10	Version 1809
Microsoft Windows 10	Version 1909
Microsoft Windows 10	Version 2004
Microsoft Windows 10	Version 20h2
Microsoft Windows 10	Version 21h1
Microsoft Windows Server 2016	Version 2004
Microsoft Windows Server 2016	Version 20h2
Microsoft Windows Server 2019	All versions

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34490

Source: secure@microsoft.com

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34490

Source: af854a3a-2127-422b-91ae-364da2661108

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